[xia4 ceng2] /underlayer/lower class/lower strata/substrate/
  [xia4 ceng2] /Unterschicht (u.E.) (S)/untergeordnet (u.E.) (Adj)/
  [xia4 ceng2] /sous-couche/classe inférieure/couche inférieure/substrat/
 [かそう] /(n,adj-no) lower strata (classes)/EntL1185680X/
Visszatérés a(z) „下层” laphoz.